SaniFold N95 respirators are individually and hygienically sealed to ensure the sanitary condition of each mask when opened. The foldable design is ideal for easy carrying and storage. It’s large, flexible shell creates an “air pocket” that makes breathing easier. Ultra-soft polypropylene lining provides superior comfort. These are sold 20 masks per box which is double the normal packaging for masks with a valve. Valve allows moisture to escape thus extending the life of the mask and making comfort a priority.